workspace/plasma/shells/common/kcategorizeditemsviewdelegate_p.h

   1 /*
   2  *   Copyright (C) 2007 Ivan Cukic <ivan.cukic+kde@gmail.com>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU Library/Lesser General Public License
   6  *   version 2, or (at your option) any later version, as published by the
   7  *   Free Software Foundation
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details
  13  *
  14  *   You should have received a copy of the GNU Library/Lesser General Public
  15  *   License along with this program; if not, write to the
  16  *   Free Software Foundation, Inc.,
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #ifndef PLASMA_KCATEGORIZEDITEMSVIEWDELEGATE_P_H
  21 #define PLASMA_KCATEGORIZEDITEMSVIEWDELEGATE_P_H
  22
  23 #include <QtCore/QtCore>
  24 #include <QtGui/QtGui>
  25
  26 #include <KIcon>
  27
  28 #include "kcategorizeditemsviewmodels_p.h"
  29
  30 class KCategorizedItemsView;
  31
  32 namespace KCategorizedItemsViewModels {
  33     class AbstractItem;
  34 }
  35
  36 /**
  37  * Delegate for displaying the items
  38  */
  39 class KCategorizedItemsViewDelegate: public QItemDelegate
  40 {
  41     Q_OBJECT
  42
  43 public:
  44     KCategorizedItemsViewDelegate(QObject *parent = 0);
  45
  46     void paint(QPainter *painter, const QStyleOptionViewItem &option,
  47                const QModelIndex &index) const;
  48     QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const;
  49     int columnWidth (int column, int viewWidth) const;
  50
  51     bool editorEvent(QEvent *event,
  52                      QAbstractItemModel *model,
  53                      const QStyleOptionViewItem &option,
  54                      const QModelIndex &index);
  55
  56 Q_SIGNALS:
  57     void destroyApplets(const QString &name);
  58     void infoAboutApplet(const QString &name);
  59 private:
  60
  61     KCategorizedItemsView *m_parent;
  62     KIcon m_favoriteIcon;
  63     KIcon m_favoriteAddIcon;
  64     KIcon m_removeIcon;
  65     KIcon m_infoIcon;
  66
  67     mutable KCategorizedItemsViewModels::AbstractItem *m_onFavoriteIconItem;
  68
  69     KCategorizedItemsViewModels::AbstractItem *getItemByProxyIndex(const QModelIndex & index) const;
  70     void paintColMain(QPainter *painter, const QStyleOptionViewItem &option,
  71                       const KCategorizedItemsViewModels::AbstractItem * item) const;
  72     void paintColFav(QPainter *painter, const QStyleOptionViewItem &option,
  73                      const KCategorizedItemsViewModels::AbstractItem * item) const;
  74     void paintColRemove(QPainter *painter, const QStyleOptionViewItem &option,
  75                         const KCategorizedItemsViewModels::AbstractItem * item) const;
  76     void paintColInfo(QPainter *painter, const QStyleOptionViewItem &option,
  77                       const KCategorizedItemsViewModels::AbstractItem * item) const;
  78
  79     int calcItemHeight(const QStyleOptionViewItem &option) const;
  80 };
  81
  82 /**
  83  * Delegate for displaying the filters/categories
  84  */
  85 class KCategorizedItemsViewFilterDelegate: public QItemDelegate
  86 {
  87     Q_OBJECT
  88
  89 public:
  90     KCategorizedItemsViewFilterDelegate(QObject *parent = 0);
  91
  92     void paint(QPainter *painter, const QStyleOptionViewItem &option,
  93                const QModelIndex &index) const;
  94     QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const;
  95 };
  96
  97 #endif /*KCATEGORIZEDITEMSVIEWDELEGATE_H_*/